m13 lrgb 2.jpg by adam stuart

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5-29-04	Adam Stuart

m13 lrgb 2.jpg

Miami, FL

Globular Star Cluster M13

Starlight Xpress HX916
Tak FS 60-C piggybacked on LX200, unguided. Subexposures 30 seconds each through Astronomik Type II IR-blocked filters, all unbinned 1x1. LRGB 30:15:15:15. Acquired and processed in Astroart 2.0. G2V calibrated and I used extinction correction factors for each RGB set. Teeshirt flats and darks used. 81 degrees and 75% humidity. Bright gibbous moon. hide exif

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